Four-Point Contact Ball Slewing Ring Bearing With Outside Gear 31 Inch Size 778x1022x100 mm Heavy-Duty Rotational Bearing for High Load and Slow Oscillation Precision Support for Construction Machinery and Industrial Equipment

31-Inch Four-Point Ball Slewing Ring with Outside Gear
✔️ Outside gear, four-point contact, 1062.4×1022×778 mm

This heavy-duty slewing ring bearing provides robust rotational support for large platforms and slow-turning loads, such as cranes, wind turbines, and heavy rotary tables.

✅ Outside diameter 1062.4 mm (41.84 in); bore 778 mm (30.63 in); width 100 mm (3.94 in)
✅ Shoulder dimensions 1022 mm (40.25 in) and 978 mm (38.50 in)
✅ Physical footprint includes 978 mm and 822 mm mounting dimensions
✅ Four-point contact ball arrangement for even load distribution
✅ Outside gear configuration for direct gear engagement and heavy torque

💡 What is a slewing ring bearing used for in heavy equipment?

In general, it's a single, compact bearing that supports rotation under heavy loads while allowing a platform to turn smoothly.

- Handy in cranes, wind turbines, and large turntables - Keeps radial and axial loads stable while allowing slow rotation - Works with outside gear configurations for direct gear engagement - Requires proper lubrication and sealing for longevity

Four-Point Contact Ball Slewing Bearing with Outside Gear

A slewing bearing ring is a rotational rolling-element bearing that typically supports a heavy but slow-turning or slow-oscillating load, often a horizontal platform such as a conventional crane, or the wind-facing platform of a horizontal-axis windmill. (To 'slew' means to turn without change of place.)

Artikel	Outside Dimensions(mm)				Shoulder Dimensions(mm)					Physical Dimensions(mm)					Gear Parameter					Gear Peripheral force
Dp	De	D	d	T	D0	d0	n	C	M	n1	d1	D1	B	S	b	m	z	x	ha	Normalizing (KN)	Slack Quench (KN)
VXB01140900001	1062.4	1022	778	100	978	822	30	22	20	6	901	898	90	10	80	8	130	0.5	0.9	80	111